Restart the computer and Boot from the CD and press and Key to Boot from the CD.[Use F12 for DELL for Esc for HP, Thoshiba,Acer]

Select the Language English.

Step 2:

Activate the NBRT using the Beta Key.
How to get Beta Key ?
Login to the website www.norton.com/beta and select any product and fill the details.
Customer will get the beta key to the email.
Or try the key BBDDDFBVWJ8CH2G6RGPHJQCHF and click on I Agree.